baber/WOPTO huggingface dataset:
Patent GB-1364047-A (GB)
Title: Current stabilization networks
IPC: G05F3/26
Filed: 1971-07-09
Abstract: 1364047 Transistor amplifiers RCA CORPORATION 9 July 1971 [13 July 1970 11 Jan 1971] 32334/71 Heading H3T [Also in Division G3] A low-power operational amplifier constructed on a single integrated circuit chip 30 receives biasing currents from a stabilized current network 40 (see Division G3). A transistor 53 supplies constant current to a differential amplifier 50 connected to inverting amplifiers 54, 55 which couple through a further inverter 56 with the input of a current amplifier 60. Driving current for this amplifier is supplied by transistors 61, 62, and a bias network 64 couples to output transistors 71-74. The operation of the supply network 40 is started by a leakage transistor 46 with an open-circuited base electrode.
Patent GB-189648-A (GB)
Title: Improvements in air compressors
IPC: F04B39/00
Filed: 1921-12-02
Abstract: 189,648. Gausden, A. H., and Hudson, E. S. Dec. 2, 1921. Pump-actuating mechanism.-The driving shaft l of a multi-cylinder compressor is formed with an oblique wrist-pin j on a crank, carrying a revoluble slotted head r which engages a lever f connecting the piston rods e of the compressor. The lever f is of circular section. The shaft may be driven by a belt, chain, gear or friction wheels, or otherwise. According to the Provisional Specification, the drive may be effected by a cam on the shaft.
Patent GB-786857-A (GB)
Title: Improvements in or relating to the construction of beds
Inventor: STEEL GEORGE
IPC: A47C19/00
Filed: 1954-11-09
Abstract: 786,857. Furniture joints. BROOKS (WEST HAM), Ltd., J. A. Aug. 23, 1955 [Nov. 9, 1954], No. 32392/54. Class 52(2) An all-metal bed construction comprises bed ends 1 provided with plates 10 projecting in parallel vertical planes and slotted as shown, and plates 7 welded to the corners of a spring mattress 4 provided with headed studs 8 engageable with the slots.
Patent GB-327946-A (GB)
Title: Improvements in and relating to synthetic resin varnishes and synthetic resins
IPC: C09D167/08
Filed: 1928-11-06
Abstract: 327,946. Imperial Chemical Industries, Ltd., Morgan, H. H., Drummond, A. A., and Attfield, G. C. Nov. 6, 1928. Ester condensation products.-Synthetic resins and coating-compositions are prepared by heating a polyhydric alcohol such as glycerine, a dibasic acid or anhydride such as the anhydride of phthalic, succinic, maleic, or citric acid, a glycerine fatty acid ester such as a vegetable or fish oil, and an alcohol having a boiling-point not above 175‹ C. such as cyclohexanol, butyl alcohol, alkyl mono-ethers of ethylene glycol, or ethyl lactate, with or without a solvent of the hydrocarbon or ester type. Driers may be added before or after the reaction, and pigments may be employed. In the examples (1) phthalic anhydride, glycerine, commercial cyclohexanol, tung oil, and a solvent of the tetrahydronaphthalene type are boiled at 190‹ C. under reflux until the mixture no longer separates into layers on cooling; the product is diluted with solvents such as acetone, solvent naphtha &c. and used as a varnish; (2) a similar mixture is heated together and the volatile portion distilled off, the residue being heated to 250‹ C., a reflux being employed if desired at the last stage; the product is then dissolved in acetone, solvent naphtha etc.; (3) phthalic anhydride, glycerine, butyl alcohol, tung oil and solvent naphtha (b.p. 135-180‹ C.) are boiled under reflux and finally the volatile portion is distilled off and the residue dissolved as before, with or without added driers; (4) phthalic anhydride, glycerine, fusel oil, and tung oil are reacted at 170‹ C. under reflux and distilled at 250‹ C., the residue being thinned with solvents for use as a varnish with or without a drier; (5) phthalic anhydride, glycerine, commercial cyclohexanol, tung oil, castor oil, and a solvent of the tetrahydronaphthalene type are refluxed at 180‹ C. and distilled up to 250-260‹ C.; (6) similar to (5) but with boiled linseed oil instead of castor oil; (7) similar to (5) but with boiled linseed oil instead of tung oil and castor oil. Specifications 235,595 and 273,290 are referred to. The Provisional Specification includes the use of benzyl alcohol or a second polyhydric alcohol such as glycol or erythritol as the added alcohol.
Patent GB-486087-A (GB)
Title: Improvements in or relating to conveyor systems
IPC: B65G47/44
Filed: 1936-11-26
Abstract: 486,087. Conveyers. KING, D. M. Nov. 26, 1936, No. 32416. [Class 78 (i)] A conveyer system comprises an upper conveyer 10 adapted to transport loaded trolleys, trays or the like 12 to an unloading station B, a lower conveyer 11 driven in the opposite direction, means including oppositely inclined tracks 33, 36 interconnected by a tiltable section 34 for transferring empty trolleys from the upper to the lower conveyer which latter is adapted to transport them to a hoisting platform 14, the operation of which is initiated by the feeding of a trolley thereto and raises the trolley to the level of a loading platform 19, means being provided for transferring a load therefrom to the trolley adjacent thereto and transporting the latter to the upper conveyer. At the station B a movable arm 23 pushes the load off the trolley on to a lateral roller or other conveyer. On movement of the arm stop mechanism 24,25, Fig. 2, is actuated through the linkage 27 ... 32 to prevent movement of the trolley by the conveyer until the arm has returned to its initial position. The empty trolley runs down the track 33 on to a table 34, which since it is counterbalanced insufficiently to support the extra weight, tilts until it is in alignment with the track 36. The trolley runs down this track on to the conveyer 11 which conveys it to the platform 14. On reaching the platform the trolley encounters a stop 13 and actuates a cam switch which starts a motor 16 driving the hoist through rack-andpinion mechanism. When the hoist is in its highest position, a pusher bar 20 is actuated to push a load from the rollers 19 on to the trolley, means being provided for preventing the actuation of this arm unless the trolley is in position. When the load has been transferred to the trolley, a cam switch is actuated by the arm 20 to effect the raising of the platform until the rollers 15 on it are level with the continuously-driven rollers 21. When this occurs a further cam switch is actuated which starts a motor 22 arranged to drive the rollers 15 in the same direction and at the same speed as the rollers 21. As the trolley passes over the rollers 21, it actuates another cam switch which effects the return of the hoist to its lowest position. A stop 34 connected with the platform retains trolleys on the conveyer 11 during the movement of the hoist. Automatic spacing stops are provided at intervals along the conveyers 10, 11 in order to reduce the pressure on the end stops. According to the Provisional Specification a lowering platform may be provided at station B to transfer the trolleys to the lower conveyer, or the latter may be dispensed with and the unloaded trolleys returned to the loading station by the lower run of the conveyer 10. In the latter case the trolleys pass from one run to the other along a spiral or other track.
Patent GB-778907-A (GB)
Title: Electroluminescent lamps
IPC: H05B33/20
Filed: 1953-08-20
Abstract: 778,907. Electroluminescence. SYLVANIA ELECTRIC PRODUCTS, Inc. Aug. 20, 1953 [Aug 20, 1952], No. 32476/56. Divided out of 778,905. Drawings to Specification. Class 39(1). Electroluminescent material is mixed with up to 10 per cent of particles of metal. Some of the particles of metal may be coatings on the phosphor particles. The metal may be evaporated as a thin film onto a compressed layer of electroluminescent material, and ball milling the layer. The remaining subject-matter is as described in Specification 778,905.
Patent GB-281878-A (GB)
Title: Improvements in sewing machines
IPC: D05B27/02
Filed: 1926-12-23
Abstract: 281,878. Armstrong, J. J. V., (Union Special Machine Co.). Dec. 23, 1926. Frames: feed by dogs; chain stitching.-In a machine of the type having a projecting work-supporting arm and suitable for serving tubular articles the arm 4 is detachably secured to the lower end of a depending frame member 3 and contains a four-motion feed device 7 and a four motion looper 26 actuated by a pair of eccentrics 31, 32 and a crank member 52 all mounted on a shaft 2 situated in a frame 1 over the depending member. The eccentric 32 is connected by a strap 33 to a ball-stud 34 on a rocking lever 12 which imparts rising and falling movements through the link 8 to the pin and slot-supported feed-bar 6. The strap 35 of the eccentric 31 is connected through a ball-stud to a lever 37 rigid with a lever 40 pivoted at 39 and connected by a link 20 to a pair of pivoted plate-levers 16 having an adjustable pin and slot connection, for regulating purposes, with a link which conveys feed movements to the feedbar. A lever 42 having a regulating slot 43 is mounted on the hub of the levers 37, 40 and is connected by a link 47 to a sleeve 45 freely mounted between spaced collars 44 on the looper shaft 25, to which endwise needle-avoiding movements are thus communicated. The loopengaging oscillations of the looper are commurucated to the shaft by a link 54 connecting ball studs upon the crank 52 and upon a crank 50 on the end of the shaft . Suitable plate-covered openings are provided in the work-arm for access to the adjusting and securing member of the mechanism, the parts being disconnected as described in Specification 280,056. A work-arm with for example a different type of feed may be substituted for the work-arm described.
Patent GB-1000817-A (GB)
Title: Improvements relating to closures for containers
IPC: B65D47/06
Filed: 1963-08-16
Abstract: 1,000,817. Stoppers ; pouring spouts for containers. AMERICAN FLANGE & MANUFACTURING CO. Inc. Aug. 16, 1963 [Aug. 16, 1962], No. 32529/63. Headings B8D and B8T. A bush having securing parts 13, 14, 16 (Fig. 12), an inwardly extending member 17 and a plug receiving portion 19 is crimped around the neck 8 of a bung hole. The plug may be as illustrated in Fig. 15. A tamper-proof metal cap 28 with a diametrical tear strip is placed on the closure prior to the crimping operation. If used with an internally lacquered or lined container the lower portion 51 (Fig. 13) of the plug receiving portion is turned upwardly to press against the base of the plug or to surround the lower wall thereof and with a liquid gasket flowed into the groove 51. The members of the closure may be made of plastics instead of metal, in which case a sealing ring 64 (Fig. 15) is used to clamp the bush 61 to the container neck. No metal cap is used with the plastics closure but the bush has a sealing membrane 74 which may be torn away around a line of weakening 68 using a handle 70. The line of weakening may lie inside the wall of the plug as shown or beneath the said wall when a gasket is placed in the recess 76. The bush may have an inwardly turned lower wall 78 (Fig. 19) adapted to receive a spout 95 which is raised after removal of the plug and secured by co-operation of a groove 80 with a flange 79. The plastics bush is clamped by a metal ring 93 and an additional metal cap 89 seals the opening. The neck closure is crimped by co-operation of an upper pressure pad on the top surface 96 and external clamping arms pressed inwardly by a downwardly moving skirt. No internal pressure pad is necessary since the container wall 4, the member 17 and upper plug surface 22 are in a common strengthening plane. After use the closure may be removed so that the container may be re-used and a fresh closure applied.
Patent GB-208885-A (GB)
Title: Means for mounting sheets of frangible material for example the glass of wind-shields, and the glass fronts of automobile lamps, indicating instruments, or-similar articles
IPC: F16J15/06
Filed: 1922-11-28
Abstract: 208,885. Marks, E. C. R., (Toledo Scale- Co.). Nov. 28, 1922. Glazing.-Sheets of glass &c., such as wind - shields, the crystals of indicating instruments, lamp p fronts, &c., are secured in place by a flexible rubber or like support 6 having a grooved edge tightly holding the glass &c. and secured to a ring or frame 9. The ring is cut out to prevent compression of the gasket between the ring and glass, and is screwed to the body of the instrument &c., a resilient and leak-proof joint being formed.
Patent GB-506792-A (GB)
Title: Improvements in and relating to extending and raising gear for ladders, telescopic masts, extensible platforms and the like
IPC: E06C5/16
Filed: 1937-11-29
Abstract: 506,792. Winding and paying - out apparatus. HUMBOLDT - DEUTZMOTOREN AKT.-GES. Nov. 29, 1937, No. 32967. Convention date, Nov. 28, 1936. [Class 78 (v)] [Also in Groups XXI and XXIV] The. winding-drum of a ladder, telescopic mast, or the like is driven through epicyclic gearing controlled by a fluid pump, the speed of rotation of the drum being determined by the setting of a throttling device which controls the resistance of the pump circuit. Overload on the drum is effective to open a fluid actuated clutch, between the epicyclic gear and the prime mover. A motor 1 is connected by a clutch 2, 3, controlled by a pressure cylinder 21 to a worm gear 4, 5 which drives the sun wheel 7 of the epicyclic gear, the second sun wheel 10 of which is connected by a shaft 11 to a gear pump 13. The planet wheels 8, 9 are mounted in the rope drum 12. The pump 13, Fig. 3, includes pressure and suction valves 15, 16 connected by links 14, 34, 35 and adapted to be operated in unison by a rod 36. Pressure fluid for actuating the clutch 2, 3 can be supplied to the cylinder 21 by a pump 20 by way of a pipe 37, valve 17, passage 40 in the valve 15, and pipe 31. The valve 17 has a lever 18 stressed by a spring 19 but held in the position shown by the rod 42 of a piston 45. The latter is exposed to the pressure side of the pump 13 and is biassed to the position shown by a spring 44, the tension of which is controlled by a cam 23 carried by the valve 16. The cam is such that movement of the valve in a direction corresponding to the driving of the drum 12 is effective to increase the tension of the spring 44. To start the apparatus, the link 35 is moved to the position a, Fig. 3. This connects the passage 40 to the pipe 31, so that the clutch 2, 3 is closed and the wheel 7 is driven. The circuit resistance of the pump 13 is low, so that the wheels 8, 9 drive the wheel 10 without rotating the drum 12. As the link 35 is moved progressively towards position d, the valve 15 is progressively closed, the circuit resistance of pump 13 rises, and the drum 12 is driven up to a maximum speed at the position d. If the drum is overloaded, as by the ladder striking an obstruction, the drum is locked, the wheel 10 and pump 13 are then driven at a higher speed, and the pump pressure acts on piston 45 to release lever 18. The valve 17 then connects the pipe 31 to the pump casing, so that the clutch 2, 3 opens. Simultaneously, the valves 15, 16 are returned to starting position through rods 48, 36, so that the ladder can descend under the braking action of the reverselydriven pump 13 and the worm gearing. For lowering the ladder, the link 35 is moved to the positions a<1>-d<1>. In a modification, the clutch 2, 3 and worm gearing 4, 5 are replaced by a combined clutch and brake mechanism controlled by the cylinder 21.
Patent GB-418541-A (GB)
Title: Improvements relating to universal joints
IPC: F16D3/46
Filed: 1933-11-25
Abstract: 418,541. Universal joints. MOLLART, A. J., and HENDRA, J. C., c/ o Mollart Engineering Co., Thames Ditton, Surrey. Nov. 25, 1933, No. 33043. [Class 80 (ii).] A universal joint comprises fork-like members made in two halves 9, 9 which are secured together by a sleeve 12 and the ends 5 of which are shaped to cover the surface of an intermediate ball 1 over a substantially triangular area, splines 6 projecting radially inward from the fork ends engaging in grooves 2, 3 in the ball 1 over an angle greater than 180‹.
Patent GB-604861-A (GB)
Title: Hard smooth craze-resistant surface coatings
IPC: C09D161/32
Filed: 1945-12-06
Abstract: An article, e.g. a wood or paper laminate carries a hard smooth crease-resistant coating which is the synthetic resinous composition of Specification 604,903 in a cured condition.  The composition is particularly suitable for paper laminates bonded with a phenol-formaldehyde resin.  They may also be applied to metal surfaces.  The coatings may be applied by pressure and a covering sheet or may be sprayed or brushed on and then heated, e.g. to 150 DEG  C.  In example (1) a composition of the kind described in Specification 604,903 is applied to a plywood panel and shims are placed around the edges.  Entrapped air is allowed to escape and a polished glass or metal plate preferably with paper or cloth backing is placed on the resin.  The assembly is pressed at 100 lbs./sq. inch at 250-275 DEG  F. for 8-10 minutes. Example (2) is similar with a slightly different composition. Specifications 486,519, 486,577 and 566,347 also are referred to.
Patent GB-341994-A (GB)
Title: Improvements in or relating to means for storing gramophone records, documents and other flat articles
IPC: A47B81/06
Filed: 1929-10-31
Abstract: 341,994. Racks. WHALLEY, S., 4, Buxton Road, Stockport, Cheshire. Oct. 31, 1929, No. 33051. [Class 52 (v).] Gramophone records, documents and other flat articles are stored in holders which expose to view the titles or other particulars and are suspended in such a manner that each holder can be withdrawn from its normal position in a row with the other holders to a position adjacent to the user where it can be rotated for inspection of one or more sides thereof. Each holder comprises pockets 19, Fig. 1, attached to a flat backing-member 18 suspended from a rod 5 fixed to bars 6, 7 running transversely of a cabinet 1. A hooked member 14 attached to the backing 18 is engaged over the head 10, Fig. 5, of a stud 9 formed on a sleeve 8 slidable on the rod 5, the member 14 having a keyhole slot and the stud 9 having a narrow part 11 corresponding to the narrow part of the slot so that to remove the member 14 it has to be lifted until the slot registers with the part 11. Notches 16 in the head 10 are engaged by projections 17 on the member 14 so as to position the holder as required by rotating it about the stud 9, a washer 12 pressed downwardly by a spring 13 against the member 14, causing the engagement of the parts 16, 17 to secure the holder yieldingly in any desired position. A pin 24 on the lower end of the backing 18 projects through a guide slot 26 in the base 4 of the cabinet and carries a washer 27 pressed upwardly by a spring 28 so as to prevent swinging of the holder. Openings 20 in the pockets permit of inspection of the contents. A handle 30 is provided on each holder and rubber buffers may be provided at the ends of the rods 5. Pockets may be provided on one side only of the backing 18 or each holder may be constructed so as to have pockets on four sides. Instead of the sleeves 8, hook-shaped members or roller-carriages running on rails may be employed. Further, the pins 24 may engage apertures in horizontal rods instead of passing through the slots 26. Doors or a roll shutter may be provided to close the front of the cabinet.
Patent GB-189807-A (GB)
Title: Method and device for measuring distances
IPC: G01S1/72
Filed: 1922-12-04
Abstract: 189,807. Atlas-Werke Akt.-Ges. Dec. 3, 1921, [Convention date]. Determining distances acoustically. - In an echo method of measuring distances, the sound detector is normally insensitive but is rendered capable of detecting sounds by the action of the direct sound from the transmitter S, and is rendered again insensitive after receipt of the echo. Receipt of the direct sound may close contacts K<1>, K<2> on the receiving diaphragm to switch a battery B<1> into circuit with the detecting microphone M by means of a relay R. On subsequent receipt of the echo, the contacts K', K<2> are again closed and the battery B' disconnected from the microphone by the relay. In a modification, the microphone is connected to the diaphragm P by means of an electromagnet and held away from the diaphragm by a second electromagnet in the receiving circuit. Closure of the contacts K<1>, K<2> by the direct sound breaks the circuit of the second and closes the circuit of the first electromagnet. In a further modification, Fig. 3, the detector E is immersed in a tank R<2> which communicates with a tank R' adjacent the. ship's .side by means of a narrow passage. Electromagnets M normally hold a valve V mounted on a spring F to close this passage, but receipt of the direct sound by a secondary receiver breaks the circuit of magnets M and allows the detector E to receive the echo. In a further modification, the tank R<2> is closed by a membrane carrying an electromagnet the armature of which is a membrane-closing tank R<1>. Receipt of the direct sound by a secondary receiver energizes the magnet and enables the detector E to receive the echo. The secondary receiver is placed so that both the direct sound and the echo reach it after they reach the detector.
Patent GB-1417841-A (GB)
Title: Decking
IPC: E04G1/15
Filed: 1972-07-14
Abstract: 1417841 Scaffold decking STERLING FOUNDRY SPECIALITIES Ltd 29 June 1973 [14 July 1972] 33124/72 Heading E1S A scaffolding decking comprises a board 1, e.g. of plywood, fitted along a pair of opposite edges with metal edge reinforcing strips 2 which each have a channel-section portion 8 wherein the edge of the board is received and held and a plane web 6 extending from one edge of the channel portion and perpendicular to the board, each strip having at each end a hook or recess 5 for supporting on horizontal scaffold bars. The strips 2 form part of a rectangular frame including transverse struts 3. In modifications, the two shorter frame members 3, or three of the frame members, may have the channel portion 8.
Patent GB-1158031-A (GB)
Title: Improvements in or relating to Weaving methods and Looms
Inventor: BISCHOFF GUNTHER
IPC: D03D47/24
Filed: 1966-07-22
Abstract: 1,158,031. Gripper shuttle loom. H. OBERDORFER [trading as F. OBERDORFER], 22 July, 1966, No. 33216/66. Heading D1E. As a gripper shuttle, Fig. 4, enters the shed, Fig. 1, its grippers 16 take the end 22a of the weft from a spring clip 34 and draw the weft through the shed. As the shuttle emerges from the shed, it displaces a roller 40c to operate a hammer 40a, which passes through an opening 14a in the shuttle, thereby depressing the weft 22 into contact with a jaw 42a and pulling the end 22a out of the clamp 16 of the shuttle; the end of the weft is held by magnetic attraction of the hammer by the jaw. Simultaneously, or slightly earlier, a solenoid 38 lifts a plunger 28 which (by parts not visible on Fig. 1) presses the weft into the spring clip 34 again, damps the weft at a point to the right of the spring clip, and cuts it between thespring clip and the clamp. The shuttle traverses a channel 13 by its own momentum and is arrested by an endless belt 17 having teeth to mesh with teeth 15 on the shuttle. At the appropriate time, the belt 17 is driven to pass the shuttle to a continuouslyrunning belt 21 which propels it into the shed. Instead of being pivoted at the bottom on a shaft 10 as shown, the swords 11 may be pivoted at their mid point; a second fabric is then woven as the shuttle traverses the bottom straight part of the channel 13.